20613817440

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{251143}}^1$

素因数の和:251186

約数の個数: 192

約数和(自身を含む): 75945945600

約数和(自身を除く): 55332128160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 171, 180, 190, 216, 228, 240, 270, 285, 288, 304, 342, 360, 380, 432, 456, 480, 513, 540, 570, 608, 684, 720, 760, 855, 864, 912, 1026, 1080, 1140, 1368, 1440, 1520, 1710, 1824, 2052, 2160, 2280, 2565, 2736, 3040, 3420, 4104, 4320, 4560, 5130, 5472, 6840, 8208, 9120, 10260, 13680, 16416, 20520, 27360, 41040, 82080, 251143, 502286, 753429, 1004572, 1255715, 1506858, 2009144, 2260287, 2511430, 3013716, 3767145, 4018288, 4520574, 4771717, 5022860, 6027432, 6780861, 7534290, 8036576, 9041148, 9543434, 10045720, 11301435, 12054864, 13561722, 14315151, 15068580, 18082296, 19086868, 20091440, 22602870, 23858585, 24109728, 27123444, 28630302, 30137160, 33904305, 36164592, 38173736, 40182880, 42945453, 45205740, 47717170, 54246888, 57260604, 60274320, 67808610, 71575755, 72329184, 76347472, 85890906, 90411480, 95434340, 108493776, 114521208, 120548640, 128836359, 135617220, 143151510, 152694944, 171781812, 180822960, 190868680, 214727265, 216987552, 229042416, 257672718, 271234440, 286303020, 343563624, 361645920, 381737360, 429454530, 458084832, 515345436, 542468880, 572606040, 644181795, 687127248, 763474720, 858909060, 1030690872, 1084937760, 1145212080, 1288363590, 1374254496, 1717818120, 2061381744, 2290424160, 2576727180, 3435636240, 4122763488, 5153454360, 6871272480, 10306908720, 20613817440]

約数ペア:

[(1, 20613817440), (2, 10306908720), (3, 6871272480), (4, 5153454360), (5, 4122763488), (6, 3435636240), (8, 2576727180), (9, 2290424160), (10, 2061381744), (12, 1717818120), (15, 1374254496), (16, 1288363590), (18, 1145212080), (19, 1084937760), (20, 1030690872), (24, 858909060), (27, 763474720), (30, 687127248), (32, 644181795), (36, 572606040), (38, 542468880), (40, 515345436), (45, 458084832), (48, 429454530), (54, 381737360), (57, 361645920), (60, 343563624), (72, 286303020), (76, 271234440), (80, 257672718), (90, 229042416), (95, 216987552), (96, 214727265), (108, 190868680), (114, 180822960), (120, 171781812), (135, 152694944), (144, 143151510), (152, 135617220), (160, 128836359), (171, 120548640), (180, 114521208), (190, 108493776), (216, 95434340), (228, 90411480), (240, 85890906), (270, 76347472), (285, 72329184), (288, 71575755), (304, 67808610), (342, 60274320), (360, 57260604), (380, 54246888), (432, 47717170), (456, 45205740), (480, 42945453), (513, 40182880), (540, 38173736), (570, 36164592), (608, 33904305), (684, 30137160), (720, 28630302), (760, 27123444), (855, 24109728), (864, 23858585), (912, 22602870), (1026, 20091440), (1080, 19086868), (1140, 18082296), (1368, 15068580), (1440, 14315151), (1520, 13561722), (1710, 12054864), (1824, 11301435), (2052, 10045720), (2160, 9543434), (2280, 9041148), (2565, 8036576), (2736, 7534290), (3040, 6780861), (3420, 6027432), (4104, 5022860), (4320, 4771717), (4560, 4520574), (5130, 4018288), (5472, 3767145), (6840, 3013716), (8208, 2511430), (9120, 2260287), (10260, 2009144), (13680, 1506858), (16416, 1255715), (20520, 1004572), (27360, 753429), (41040, 502286), (82080, 251143)]